
#layout {
	width: 100%;
}


#main {
	flex: 0 0 100%;

	display: flex;
	/* 主轴方向  横向  */
	flex-direction: row;
	margin-top: 20px;
	
	flex-wrap: wrap;
	

}


#main .left-side {
	flex: 0 0 100%;
	height: 155px;
	background-color: #bbb;
	list-style-type: none;
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;

	
	/* 交叉轴 整体内容 对齐方式 */
	align-content: flex-start;
	
	justify-content: space-around;
}


#main .left-side li {
	/* 一个 占用50% */
	flex: 0 0 46%;
	padding-left: 5px;
	padding-right: 5px;
	height: 40px;
	line-height: 40px;


	/* margin-top: 5px;
	margin-bottom: 5px; */
	margin: 5px;
	border: 1px solid white;

	text-align: center;
	
}


#main .left-side li:last-child {
    margin-right: auto;
}

#main .left-side li:hover {

	cursor: pointer;
	background-color: rgba(0, 0, 0, .1);
}



#main .main-content {

	flex: 0 0 100%;
	margin-top: 15px;

	list-style: none;

	display: flex;
	flex-direction: row;
	flex-wrap: wrap;

	justify-content: space-around;
}

#main .main-content li {
	flex: 0 0 45%;

	height: 150px;
	margin-bottom: 10px;

	background-color: #999;
	text-align: center;
	line-height: 150px;

}
